WO2008117081A3 - Terrain correction systems - Google Patents

Terrain correction systems Download PDF

Info

Publication number
WO2008117081A3
WO2008117081A3 PCT/GB2008/050113 GB2008050113W WO2008117081A3 WO 2008117081 A3 WO2008117081 A3 WO 2008117081A3 GB 2008050113 W GB2008050113 W GB 2008050113W WO 2008117081 A3 WO2008117081 A3 WO 2008117081A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
potential field
time
measurements
terrain
Prior art date
Application number
PCT/GB2008/050113
Other languages
French (fr)
Other versions
WO2008117081A2 (en
Inventor
Gary Barnes
Danian Huang
Original Assignee
Arkex Ltd
Gary Barnes
Danian Huang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Arkex Ltd, Gary Barnes, Danian Huang filed Critical Arkex Ltd
Priority to AU2008231589A priority Critical patent/AU2008231589B2/en
Priority to US12/449,823 priority patent/US8359162B2/en
Priority to CN2008800090354A priority patent/CN101636669B/en
Priority to RU2009139072/28A priority patent/RU2468394C2/en
Priority to CA002680776A priority patent/CA2680776A1/en
Publication of WO2008117081A2 publication Critical patent/WO2008117081A2/en
Publication of WO2008117081A3 publication Critical patent/WO2008117081A3/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V7/00—Measuring gravitational fields or waves; Gravimetric prospecting or detecting
    • G01V7/16—Measuring gravitational fields or waves; Gravimetric prospecting or detecting specially adapted for use on moving platforms, e.g. ship, aircraft
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms

Abstract

This invention relates to methods, apparatus and computer program code for processing data from potential field surveys, particularly airborne gravity field surveys, to correct for the effects of ter rain. We describe a method of processing potential field measurement data from a moving platform survey for mapping a field, the method comprising: inputting measured potential field data comprising data defining a time series of potential field measurem ents captured by a potential field measurement instrument mounted on a moving platform, each of said measurements having associated data defining positions of said measurements as a function of time; inputting terrain data defining a spatial variation of terrain surveyed; determining time - domain correction data to be applied to said measured potential field data in the time - domain, said determining using said terrain data and said associated data defining positions of said measurements as a function of time; and adjusting said measured potential field data defining said time series of potential field measurements using said time - domain correction data to provide terrain corrected measured potential field data for said mapping of said field.
PCT/GB2008/050113 2007-03-23 2008-02-21 Terrain correction systems WO2008117081A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2008231589A AU2008231589B2 (en) 2007-03-23 2008-02-21 Terrain correction systems
US12/449,823 US8359162B2 (en) 2007-03-23 2008-02-21 Terrain correction systems
CN2008800090354A CN101636669B (en) 2007-03-23 2008-02-21 Terrain correction systems
RU2009139072/28A RU2468394C2 (en) 2007-03-23 2008-02-21 System for adjusting surface topography
CA002680776A CA2680776A1 (en) 2007-03-23 2008-02-21 Terrain correction systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0705605A GB2447699B (en) 2007-03-23 2007-03-23 Terrain correction systems
GB0705605.4 2007-03-23

Publications (2)

Publication Number Publication Date
WO2008117081A2 WO2008117081A2 (en) 2008-10-02
WO2008117081A3 true WO2008117081A3 (en) 2009-01-08

Family

ID=38024709

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/050113 WO2008117081A2 (en) 2007-03-23 2008-02-21 Terrain correction systems

Country Status (8)

Country Link
US (1) US8359162B2 (en)
CN (1) CN101636669B (en)
AU (1) AU2008231589B2 (en)
CA (1) CA2680776A1 (en)
GB (1) GB2447699B (en)
RU (1) RU2468394C2 (en)
WO (1) WO2008117081A2 (en)
ZA (1) ZA200905517B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2451807B (en) 2007-08-02 2012-01-18 Arkex Ltd Geophysical data processing systems
WO2010130967A1 (en) * 2009-05-15 2010-11-18 Arkex Limited Geophysical data processing systems
WO2011098821A2 (en) 2010-02-12 2011-08-18 Arkex Limited Geophysical data processing systems
GB201008993D0 (en) 2010-05-28 2010-07-14 Arkex Ltd Processing geophysical data
GB2482505A (en) 2010-08-04 2012-02-08 Arkex Ltd Using potential field data and seismic data to generate a representation of the underlying geology of an underground formation
GB2489230B (en) 2011-03-21 2014-06-18 Arkex Ltd Gravity gradiometer survey techniques
US9964653B2 (en) 2011-12-21 2018-05-08 Technoimaging, Llc Method of terrain correction for potential field geophysical survey data
MX354019B (en) * 2012-09-25 2018-02-08 Technogical Resources Pty Ltd A method of processing gravity gradient data.
CN105487129B (en) * 2016-01-06 2017-09-26 吉林大学 A kind of air-ground time domain electromagnetic data altitude correction method
CN110967778B (en) * 2019-10-24 2021-08-10 西北大学 Dynamic coordinate system polyhedral subdivision gravity grid distribution correction method
CN113433596B (en) * 2021-06-25 2022-09-16 中国船舶重工集团公司第七0七研究所 Gravity gradient dynamic measurement filtering method based on spatial domain
CN113985490B (en) * 2021-09-22 2023-05-05 中国人民解放军战略支援部队信息工程大学 Method and device for carrying out surface gravity simulation by utilizing terrain and crust density data

Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2003032015A1 (en) * 2001-10-11 2003-04-17 Bhp Billiton Innovation Pty Ltd Airborne geophysical measurements
US20060036367A1 (en) * 2004-08-11 2006-02-16 Bell Geospace Inc. Method and system for processing geophysical survey data

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US4724390A (en) * 1986-03-24 1988-02-09 Rauscher Elizabeth A Non-superconducting apparatus for detecting magnetic and electromagnetic fields
US5112126A (en) * 1990-07-27 1992-05-12 Chevron Research & Technology Company Apparatuses and methods for making geophysical measurements useful in determining the deflection of the vertical
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RU2221263C1 (en) 2002-07-01 2004-01-10 Общество с ограниченной ответственностью Научно-производственное объединение "Петрогаз" Method and device measuring gravitational field
RU2254599C1 (en) * 2003-11-04 2005-06-20 Сорокин Владимир Николаевич Method of predicting parameters of earthquake
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AU2006273791B2 (en) * 2005-07-27 2011-10-06 Arkex Limited Gravity survey data processing
GB2435523B (en) 2006-01-25 2010-06-23 Arkex Ltd Terrain correction systems
GB2446174B (en) 2007-01-30 2011-07-13 Arkex Ltd Gravity survey data processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003032015A1 (en) * 2001-10-11 2003-04-17 Bhp Billiton Innovation Pty Ltd Airborne geophysical measurements
US20060036367A1 (en) * 2004-08-11 2006-02-16 Bell Geospace Inc. Method and system for processing geophysical survey data

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HAMMER S: "Topographic and terrain correction for airborne gravity", GEOPHYSICS USA, vol. 39, no. 4, August 1974 (1974-08-01), pages 537 - 542, XP002502770, ISSN: 0016-8033 *
LI Y C ET AL: "Improved gravimetric terrain corrections", GEOPHYSICAL JOURNAL INTERNATIONAL UK, vol. 119, no. 3, December 1994 (1994-12-01), pages 740 - 752, XP002502769, ISSN: 0956-540X *
PERPARIM AMETI: "Downward continuation of geopotential in Switzerland", 2006, Darmstadt, pages O - 122, XP002502768, Retrieved from the Internet <URL:http://tuprints.ulb.tu-darmstadt.de/epda/000671/ameti_thesis.pdf> [retrieved on 20081105] *

Also Published As

Publication number Publication date
CN101636669B (en) 2012-11-21
US20100094556A1 (en) 2010-04-15
RU2468394C2 (en) 2012-11-27
RU2009139072A (en) 2011-04-27
CA2680776A1 (en) 2008-10-02
CN101636669A (en) 2010-01-27
GB2447699B (en) 2011-07-13
GB2447699A (en) 2008-09-24
ZA200905517B (en) 2010-10-27
US8359162B2 (en) 2013-01-22
AU2008231589B2 (en) 2013-02-21
WO2008117081A2 (en) 2008-10-02
GB0705605D0 (en) 2007-05-02
AU2008231589A1 (en) 2008-10-02

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